子弹，枪弹从火器中，尤指步枪或手枪中发射出来的金属射弹，形状为尖柱体或球状 A usually metal projectile in the shape of a pointed cylinder or a ball that is expelled from a firearm, especially a rifle or a handgun.
弹药（筒）装在金属盒中的射弹。弹药 Such a projectile in a metal casing; a cartridge.
破碎物爆炸的炸弹或其它投射弹等的碎片的散飞 The scattering of the fragments of an exploding bomb or other projectile.